20236432339 has 4 divisors (see below), whose sum is σ = 20242726024. Its totient is φ = 20230138656.

The previous prime is 20236432331. The next prime is 20236432357. The reversal of 20236432339 is 93323463202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93323463202 = 2 ⋅46661731601.

It is a cyclic number.

It is not a de Polignac number, because 20236432339 - 2³ = 20236432331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20236432298 and 20236432307.

It is not an unprimeable number, because it can be changed into a prime (20236432331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3142017 + ... + 3148450.

It is an arithmetic number, because the mean of its divisors is an integer number (5060681506).

Almost surely, 2^20236432339 is an apocalyptic number.

20236432339 is a deficient number, since it is larger than the sum of its proper divisors (6293685).

20236432339 is an equidigital number, since it uses as much as digits as its factorization.

20236432339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293684.

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 20236432339 in words is "twenty billion, two hundred thirty-six million, four hundred thirty-two thousand, three hundred thirty-nine".